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Positive Health Outcomes Associated with Live Microbe Intake from Foods, Including Fermented Foods, Assessed using

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Summary
This summary is machine-generated.

Dietary live microbes may improve health. Consuming more microbe-containing foods is linked to lower blood pressure, improved biomarkers, and better weight management in adults.

Keywords:
ISAPPInternational Scientific Association for Probiotics and PrebioticsNHANESfermented foodhealth promotion/disease preventionlive dietary microbesprobiotics

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Area of Science:

  • Nutritional Science
  • Microbiology
  • Public Health

Background:

  • Live dietary microbes are hypothesized to benefit human health.
  • Direct scientific evidence supporting this hypothesis has been limited.
  • This study addresses the need for empirical data on microbe-health associations.

Purpose of the Study:

  • To investigate the association between dietary live microbe consumption and health outcomes in adults.
  • To quantify the impact of microbial intake on physiological parameters.
  • To provide evidence for the role of live microbes in human well-being.

Main Methods:

  • Utilized data from the National Health and Nutrition Examination Survey (NHANES) spanning 2001-2018.
  • Assessed dietary microbial intake and its association with physiological parameters (blood pressure, anthropometrics, biomarkers) in adults aged 19+.
  • Employed regression models, adjusting for demographics and covariates, to analyze continuous and categorical microbial intake, including fermented foods.

Main Results:

  • Increased intake of microbe-containing foods correlated with reduced systolic blood pressure, C-reactive protein, plasma glucose, plasma insulin, triglycerides, waist circumference, and BMI.
  • Higher microbial consumption was also associated with increased high-density lipoprotein cholesterol levels.
  • Similar positive associations were observed when microbial intake was analyzed categorically and when focusing on fermented foods.

Conclusions:

  • This study provides novel, quantitative evidence on the associations between dietary live microbe intake and health outcomes in a nationally representative adult population.
  • Findings suggest that foods rich in live microbes are linked to modest improvements in various health indicators.
  • The results support the hypothesis that live dietary microbes contribute positively to human health.